Home / 1,425,430.20-1,966,347.90-881,392.08

Finding the Fourth Proportional to 1,425,430.20, 1,966,347.90 and 881,392.08

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Solution

The fourth proportional to 1,425,430.20, 1,966,347.90 and 881,392.08 is: 1,215,859.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,430.20 : 1,966,347.90 = 881,392.08 : x
  2. Step 2: Convert to fraction form
    1,425,430.20/1,966,347.90 = 881,392.08/x
  3. Step 3: Cross multiply
    1,425,430.20x = 1,966,347.90 × 881,392.08
  4. Step 4: Simplify right side
    1,425,430.20x = 1,733,123,465,584.63
  5. Step 5: Solve for x
    x = 1,733,123,465,584.63/1,425,430.20
  6. Step 6: Final answer
    x = 1,215,859.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.